Ford E-250 Problem Report
Ford E-250 Engine Idle Rolls Up and Down
If engine idle rolls up and down, and diagnosis rules out Idle Air Control (IAC) valve issues and vacuum leaks, the Programmable Speedometer/Odometer Module (PSOM) can be at fault electronically. The instrument cluster will need to be replaced, the PSOM is inside the cluster.
it idles weird when sitting at a traffic light. it shuts off when trying to stop or make a turn
I have checked fuel pressure and performed a fuel volume test. I disconnected all 3 catalytics...
Sludge build up on the throttle plate and/or idle air control valve can cause a poor engine id...
We had an engine miss with jerks and thumps. We replaced timing chain, distributor, plugs, wir...
Check engine light is on. P0306 is code.